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Plus de Tomohiro Kumagai (20)
みんなで Swift 復習会での談笑用スライド – 6th #minna_de_swift
- 9. let x = arc4random_uniform // (UInt32) -> UInt32
(100); // 100
// 複数行に分けるには、継続することが判るように書く
let y = arc4random_uniform(
100); // 25
- 11. // Sigined Integer, Unsigned Integer
42
// Sigined Integer, Unsigned Integer
0
// Signed Integer
-13
- 26. let count = 20 // Int
let π = 3.14 // Double
let seed = arc4random_uniform(20) // UInt32
- 27. let count = 20
let π = 3.14
type(of: count) // Int.Type
type(of: π) // Double.Type
- 30. let a = 1010 // Decimal: 1,010
let b = 0x1010 // Hexadecimal: 4,112
let c = 0b1010 // Binary: 10
let d = 0o1010 // Octal: 520
- 31. let v = 10.5 // Decimal: 10.5
let w = 0x10.5p0 // Hexadecimal: 16.3125
- 32. let x = 10.5e10 // 10.5×1010
let y = 0x10.5p10 // 0x10.5×210
e
p
- 33. let a = 1234
let b = 0025
let x = 77_777_770
let y = 12_345.2204_e100
0
_